i have qustion, how i can move element in 2D char array for example main char is "C"( just C will be moved each time) i want to move C top or down, left or right, in each time i press 2 for down, 6 right, 8 top , 4 left, when C moved should swapped with the char in the moved position

[ A , B , C ]

[ D , E , F ]

[ G , H , I ]

after move C down, the output:

[ A , B , F]

[ D , E , C]

[ G , H , I ]

And so on..

thank you,,